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Sealing an axial face.

Sealing an axial face.

Sealing an axial face.

(OP)
I am looking to seal a face as shown below


  Load       Rotating axis      Load
_______________________________________________
      |   Seal      |                 |  Seal
___\_/___        |          ___\_/___
|||||||||||||   |   ||||||||||||||||
___/ \___        |          ___/ \___     
      |  Seal      |                |  Seal
________________________________________________
 Load           -->            Load
 
I am thinking of making them out of graphite for both pieces. What kind of seal is this. The thing it is sealing is air-air and sand. Hope you understand the principle applied here.

RE: Sealing an axial face.

You have the right terms and right idea, I think.  Very similar to a face seal used in centrifugal water pumps.  Except the seal would be graphite on one side, bearing on a ceramic on the other side.  Both faces should be lapped as smooth, flat, and square to the shaft as possible, and a spring of some sort used to maintain contact between the faces.   

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